Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889652 | Non-aqueous, nonionic heavy duty laundry detergent with improved stability using microsperes and/or vicinal-hydroxy compounds | Nagaraj S. Dixit | 1989-12-26 |
| 4815849 | Spectrometer using concave holographic diffraction grating | — | 1989-03-28 |
| 4810091 | Apparatus and method for adjusting focus of a multi-element optical detector | — | 1989-03-07 |